Movement No. B620

The chronograph is not working properly

  • 1

  • Leave the watch in direct sunlight
    for several days to recharge.

  • 2

  • Check that the crown
    is fully pushed in.

  • 3

  • Press and release the lower-right
    button to reset the chronograph.

I reset the chronograph
but it is still not
working properly


View in illustrations

  • 1

  • Pull the crown out two steps.

  • 2

  • Press and hold the upper-right
    button for 2 seconds.

  • 3

  • Press and release the upper-right
    button to set the chronograph
    second hand to 0 seconds.

  • 4

  • Push the crown back in.

  • 5

  • Press and release the lower-right
    button to complete the process.